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Pcell inductor EMX simulation

SM202509093257

Hello everyone,

I am designing a VCO, and for the on-chip inductor, I will use a center-tapped inductor. For first-pass design, I want to simulate the "spiral_sym_ct_mu_z_a28_dm" from PDK. There is some ambiguity for me as follows:

1- At a specific frequency, why do the inductor and quality factor values in the Pcell parameter differ from what the EMX simulates?
2- Which result should be considered as the correct value for the design procedure?
3- Are my frequency and pins' setup correct? (I used depth=1 to use the default PCell labels for ports.)

Best regards,

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